Rendiconti della Scuola internazionale di fisica "Enrico Fermi."North-Holland, 1975 - Physics |
Contents
pag | 1 |
Elementary summary of group representations | 10 |
Direct products of representations | 18 |
Methods of neutron spectrometry | 21 |
Symmetry of phonons in crystals | 29 |
Application of neutron spectrometry to molecular dynamics | 31 |
Time inversion reversal | 38 |
Group theory in lattice dynamics II | 46 |
Displacement coordinates | 239 |
Lagrangian treatment in 0 | 247 |
Quantummechanical lattice dynamics of librations | 249 |
Treatment of Raich | 265 |
Applications and comparison with experiment | 272 |
Rotational waves in the J 0 lattice of the solid hydrogens | 285 |
Isolated J 1 pairs | 291 |
Response of a system to a force and doubletime Greens | 348 |
R J ELLIOTT | 70 |
The construction of all the irreducible representations | 72 |
S H WALMSLEY Basic theory of the lattice dynamics | 82 |
A simple example The onedimensional molecular | 88 |
Symmetry coordinates | 96 |
Lattice vibrations and elastic moduli | 103 |
A Dows | 115 |
Vibrational frequencies | 123 |
H BONADEO and E DALESSIO The refinement of inter | 136 |
G S PAWLEY The structure and dynamics of orthorhombic | 149 |
Future work | 157 |
Symmetry of 1 and 2 networks | 164 |
interchain | 171 |
Introduction | 355 |
T R KOEHLER | 416 |
Selfconsistent harmonic approximation at 0 | 426 |
Onedimensional model | 438 |
J P MCTAGUE Phonon spectra of the solid hydrogens | 441 |
R CLAUS | 446 |
Introduction | 470 |
Uniaxial crystals | 478 |
Extraordinary polaritons | 488 |
Ordinary polaritons | 494 |
Polaritonplasmon coupling | 500 |
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